Date: Fri, 13 Mar 2009 11:37:57 +0000 (GMT) From: Robert Watson <rwatson@FreeBSD.org> To: Weongyo Jeong <weongyo@freebsd.org> Cc: usb@freebsd.org, Hans Petter Selasky <hselasky@freebsd.org>, thompsa@freebsd.org Subject: Re: USB support in NDIS -- IFF_NEEDSGIANT? Message-ID: <alpine.BSF.2.00.0903131136500.61873@fledge.watson.org> In-Reply-To: <20090217052121.GB86244@weongyo.cdnetworks.kr> References: <alpine.BSF.2.00.0902161129060.5806@fledge.watson.org> <20090217052121.GB86244@weongyo.cdnetworks.kr>
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On Tue, 17 Feb 2009, Weongyo Jeong wrote: >> As you know, I've been gradually working to eliminate all non-MPSAFE >> network device driver infrastructure for 8.0, having removed non-MPSAFE >> network protocol infrastructure in 7.0. In reviewing remaining drivers >> using IFF_NEEDSGIANT, I spotted this in the NDIS code: ... >> Having taken a glance, it looks like this was added specifically to support >> USB devices attached via NDIS. > > AFAIK all of usb wireless drivers had it so I couldn't avoid it when I had > implemented. > >> With the new USB code, are NDIS drivers still supported? > > I think that it would be supported at 8.0 > >> And in the new world order, is this IFF_NEEDSGIANT still required? > > Probably we can remove the IFF_NEEDSGIANT flags at the new USB code. > >> Can I simply remove it once the old USB code is on the way out the door? > > IMHO yes I think. Dear all: A few weeks have passed, so I wanted to check in and see how this project was going -- are we at a point yet where removing IFF_NEEDSGIANT won't cause significant loss of functionality? Thanks, Robert N M Watson Computer Laboratory University of Cambridge
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